Evidently VPI has unique ’twist the wire’ anti-skate method
excerpt
"There is no anti-skating control on JMW arms. VPI advises twisting the hookup wire to provide anti-skating."
from this review
https://positive-feedback.com/Issue10/vpiaries.htm
I like dangling weights myself, evidently others do as well
there is this, price very obtainable
check all details, end of description:
"If you have older scout/tonearm combo that has "silver" junction box, new mounting will be needed."
also from elusive disc
I use the blank side of this Hudson alignment disc to 'see' anti-skate, very accurate method.
You just spin the platter by hand while adjusting.